/*

This software is licensed under the terms of the MIT licence.

Copyright (c) 2009 Mihaly Heder

Permission is hereby granted, free of charge, to any person obtaining a copy of 
this software and associated documentation files (the "Software"), to deal in the 
Software without restriction, including without limitation the rights to use, copy, 
modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, 
and to permit persons to whom the Software is furnished to do so, subject to the 
following conditions:

The above copyright notice and this permission notice shall be included in all copies 
or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 
PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE 
FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
SOFTWARE.

*/

package jsentence;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class Rule {
	
	final Logger logger = LoggerFactory.getLogger(Rule.class);
	double weight;
	String name;

	Collection<RulePart> ruleParts;
	
	public Rule(String name,double weight) {
		super();
		this.weight = weight;
		this.name = name;
		this.ruleParts = new ArrayList<RulePart>();
	}

	public double getWeight() {
		return weight;
	}
	
	public void setWeight(double weight) {
		this.weight = weight;
	}
	
	public void addRulePart(RulePart rulePart) {
		this.ruleParts.add(rulePart);
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	
	public boolean testADelimiter(List<String> sentences,int position) {
		logger.debug("Checking against Rule:"+this.name);
		for (RulePart rp:this.ruleParts) {
			if ((position+rp.getPosition()+1 < 0) || (position+rp.getPosition()>= sentences.size())) {
				logger.trace("sentences.size="+sentences.size());
				logger.trace("position+rp.getPosition()+1="+(position+rp.getPosition()+1));
				logger.debug("Rule '"+this.name+"' not applicable in this position:"+position);
				return false;
			}
			if (rp.getPosition() > 0) {
				if (!rp.testOnChunk(sentences.get(position+rp.getPosition()))) {
					logger.debug("Rule '"+this.name+"' not matches");
	 				return false;
				}
			} else {
				if (!rp.testOnChunk(sentences.get(position+rp.getPosition()+1))) {
					logger.debug("Rule '"+this.name+"' not matches");
	 				return false;
				}
			}
				
		}
		logger.info("Rule '"+this.name+"' matches at this position:"+position);
		//all RulePart was true
		return true;
	}
	
	
}
